Appy days? Not if you value your privacy
Then there are false positive tests, which could lead to chaos, and false negatives to a misguided sense of security
Few of us had heard of contact tracing until recently. But on Friday, two of the world’s most powerful companies announced a collaboration on technology to work out where patients might have picked up coronavirus, or who they may have infected.
Apple and Google are working on contact tracing technology, the latest effort to use Bluetooth and GPS to track the spread of Covid-19.
In China, people are given a QR code and an app which classifies them as green, amber or red. Their status determines where they can go and what they can do. Singapore has followed suit with its own app, which uses Bluetooth to document people’s interactions with each other. In the UK NHSX, the health service’s innovation body, is also planning to release a Bluetooth-enabled app to slow the spread of the virus when lockdowns end...